#include <stdio.h>

int main() {
    int n;
    scanf("%d", &n);

    int t = 6;

    int w = (t + n) % 7;
    if (w < 0) {
        w += 7;
    }

    switch (w) {
        case 0: printf("星期日\n"); break;
        case 1: printf("星期一\n"); break;
        case 2: printf("星期二\n"); break;
        case 3: printf("星期三\n"); break;
        case 4: printf("星期四\n"); break;
        case 5: printf("星期五\n"); break;
        case 6: printf("星期六\n"); break;
    }

    return 0;
}
